RFC 9727 on api-catalog: A Well-Known URI and Link Relation to Help Discovery of APIs
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Subject: RFC 9727 on api-catalog: A Well-Known URI and Link Relation to Help Discovery of APIs
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A new Request for Comments is now available in online RFC libraries.
RFC 9727
Title: api-catalog: A Well-Known URI and
Link Relation to Help Discovery of APIs
Author: K. Smith
Status: Standards Track
Stream: IETF
Date: June 2025
Mailbox: kevin.smith@vodafone.com
Pages: 17
Updates/Obsoletes/SeeAlso: None
I-D Tag: draft-ietf-httpapi-api-catalog-08.txt
URL: https://www.rfc-editor.org/info/rfc9727
DOI: 10.17487/RFC9727
This document defines the "api-catalog" well-known URI and link
relation. It is intended to facilitate automated discovery and usage
of published Application Programming Interfaces (APIs). A request to
the api-catalog resource will return a document providing information
about, and links to, the Publisher's APIs.
This document is a product of the Building Blocks for HTTP APIs Working Group of the IETF.
This is now a Proposed Standard.
STANDARDS TRACK: This document specifies an Internet Standards Track
protocol for the Internet community, and requests discussion and suggestions
for improvements. Please refer to the current edition of the Official
Internet Protocol Standards (https://www.rfc-editor.org/standards) for the
standardization state and status of this protocol. Distribution of this
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